Uploading a map is necessary for features like multiplayer and developer map publishing. Follow these steps to upload your map and enable more features:

Start Menu where you can see your created maps, then select the map you want to upload.

• 1. Click on the Upload button.
• 2. Select the map type or genre.
• 3. Click on Upload.

After that, wait for the resources to be uploaded. You will see the progress at the bottom of the previous upload button.